Gluu Server has two core parts: oxAuth and oxTrust. In order to get the version you need to find out both oxAuth and oxTrust versoins. * Enter into Gluu-Server container.* oxAuth: * Check "Implementation-Version" of "MANIFEST.MF" which is inside "/opt/tomcat/webapps/oxauth/META-INF" location. * oxTrust: * Check "Implementation-Version" of "MANIFEST.MF" which is inside "/opt/tomcat/webapps/identity/META-INF" location.